someone skilled at searching, suggests that you begin this journey here:
hxxp://www.google.com/search?hl=en&ie=UTF-8&oe=UTF-8&q=inline+patching
hxxp://www.google.com/search?hl=en&lr=&ie=UTF-8&oe=UTF-8&q=inline+patching+%2B+ocx
It is always best to begin the quest for knowledge by doing some personal study. Being given the answer rarely helps in the learning process. Getting help in learning where one might find the answers, usually can lead to increased knowledge.
Regards,